#!/bin/bash
# chkconfig: 2345 90 10
# description: DAZE

### BEGIN INIT INFO
# Provides:          DAZE
# Required-Start:    $network $syslog
# Required-Stop:     $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Lightweight HTTP proxy tool
# Description:       Start or stop the DAZE
### END INIT INFO

NAME="DAZE"
NAME_BIN="daze"
FILE="/usr/local/daze"
CONF="${FILE}/daze.conf"
LOG="${FILE}/daze.log"

Green_font_prefix="\033[32m" && Red_font_prefix="\033[31m" && Green_background_prefix="\033[42;37m" && Red_background_prefix="\033[41;37m" && Font_color_suffix="\033[0m"
Info="${Green_font_prefix}[信息]${Font_color_suffix}"
Error="${Red_font_prefix}[错误]${Font_color_suffix}"
RETVAL=0

check_running(){
	PID=$(ps -ef |grep "${NAME_BIN}" |grep -v "grep" | grep -v "daze.sh"| grep -v "init.d" |grep -v "service" |awk '{print $2}')
	if [[ ! -z ${PID} ]]; then
		return 0
	else
		return 1
	fi
}
read_config(){
	[[ ! -e ${CONF} ]] && echo -e "${Error} DAZE 配置文件不存在 !" && exit 1
	port=$(cat ${CONF}|grep "port"|awk -F "=" '{print $NF}')
	password=$(cat ${CONF}|grep "password"|awk -F "=" '{print $NF}')
	method=$(cat ${CONF}|grep "method"|awk -F "=" '{print $NF}')
	obfs_url=$(cat ${CONF}|grep "obfs_url"|awk -F "=" '{print $NF}')
	dns=$(cat ${CONF}|grep "dns"|awk -F "=" '{print $NF}')
}
do_start(){
	check_running
	if [[ $? -eq 0 ]]; then
		echo -e "${Info} $NAME (PID ${PID}) 正在运行..." && exit 0
	else
		read_config
		cd ${FILE}
		echo -e "${Info} $NAME 启动中..."
		ulimit -n 51200
		if [[ -z ${obfs_url} ]]; then
			nohup ./daze server -l "0.0.0.0:${port}" -k "${password}" -e "${method}" -dns "${dns}" >> "${LOG}" 2>&1 &
		else
			nohup ./daze server -l "0.0.0.0:${port}" -k "${password}" -e "${method}" -m "${obfs_url}" -dns "${dns}" >> "${LOG}" 2>&1 &
		fi
		sleep 2s
		check_running
		if [[ $? -eq 0 ]]; then
			echo -e "${Info} $NAME 启动成功 !"
		else
			echo -e "${Error} $NAME 启动失败 !"
		fi
	fi
}
do_stop(){
	check_running
	if [[ $? -eq 0 ]]; then
		kill -9 ${PID}
		RETVAL=$?
		if [[ $RETVAL -eq 0 ]]; then
			echo -e "${Info} $NAME 停止成功 !"
		else
			echo -e "${Error} $NAME 停止失败 !"
		fi
	else
		echo -e "${Info} $NAME 未运行"
		RETVAL=1
	fi
}
do_status(){
	check_running
	if [[ $? -eq 0 ]]; then
		echo -e "${Info} $NAME (PID ${PID}) 正在运行..."
	else
		echo -e "${Info} $NAME 未运行 !"
		RETVAL=1
	fi
}
do_restart(){
	do_stop
	sleep 2s
	do_start
}
case "$1" in
	start|stop|restart|status)
	do_$1
	;;
	*)
	echo -e "使用方法: $0 { start | stop | restart | status }"
	RETVAL=1
	;;
esac
exit $RETVAL